How long is the flight from Hong Kong to St. Louis?

For as low as HK$10,200, American Airlines can have you in St. Louis from Hong Kong in 21h 34m. The distance from Hong Kong to St. Louis is about 12760 km. This flight may include one or multiple stops.

In terms of precipitation, rainfall in St. Louis ranges from 56.0 - 119.0 inches per month. May is typically the wettest month, when rainfall can reach 119.0 mm. February is typically the driest time to visit St. Louis when rainfall is around 56.0 mm.

If weather is an important factor for your trip to St. Louis, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 27.0 C. Travellers hoping to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 0.0 C).

What is the cheapest time of day to fly from HKG to STL?

When flying from Hong Kong to St. Louis, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

Can I find deals for flights from Hong Kong to St. Louis that include hotel bookings?

Yes. In addition to deals on Hong Kong to St. Louis flights, Cheapflights offers holiday packages that include both flights and hotel.

How can I find direct flights from Hong Kong to St. Louis?

After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Hong Kong to St. Louis.

Can I find deals for business class flights from Hong Kong to St. Louis?

Yes. Cheapflights offers flight deals from Hong Kong to St. Louis by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

HK$3,826+ Cheap Flights from Hong Kong to St. Louis

Cheap flight deals from Hong Kong to St. Louis

Enter your travel dates to find the best prices.

Cheapest

Best

Last-minute

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Cheapest flights from Hong Kong to St. Louis
Explore the most affordable flight options available from Hong Kong to St. Louis. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 6 September 2026.

Sat 12-919:40 -

2 stops35h 58m

Sat 19-915:19 -

2 stops28h 31m

Deal found 2-9HK$9,259

Sun 18-1010:10 -

2 stops42h 34m

Sun 25-1007:02 -

2 stops38h 08m

Deal found 3-9HK$9,267

Sun 18-1013:25 -

2 stops21h 34m

Sun 25-1006:04 -

1 stop24h 06m

Deal found 3-9HK$10,200

Sun 18-1023:25 -

1 stop27h 00m

Sun 25-1016:40 -

1 stop34h 50m

Deal found 3-9HK$10,302

Sat 12-912:45 -

1 stop23h 45m

Sat 19-905:00 -

2 stops22h 45m

Deal found 2-9HK$10,474

Thu 10-910:30 -

2 stops26h 29m

Mon 14-919:36 -

2 stops37h 29m

Deal found 1-9HK$12,873

Thu 10-911:45 -

1 stop19h 14m

Mon 14-915:13 -

2 stops24h 47m

Deal found 2-9HK$12,944

Sat 12-909:55 -

3 stops37h 23m

Sat 19-906:20 -

2 stops33h 00m

Deal found 2-9HK$20,760

Sat 17-1000:40 -

2 stops34h 50m

Sun 25-1015:15 -

3 stops37h 25m

Deal found 3-9HK$21,678

Find flight deals from Hong Kong to St. Louis

Round-trip from	HK$9,267
One-way from	HK$3,826

18-10-25-10
4 total stops
80h 42m total
Hong Kong to St. Louis

Search Deals

10-12-31-12
2 total stops
52h 11m total
Hong Kong to St. Louis

Search Deals

Cheapflights Fare Finder

Use the filters below to find and compare flights from Hong Kong to St. Louis that are best for you.

Fly from

Fly to

Route

Departure

Return

Price

Cheapest return flight

Hong KongSt. Louis

HKG Hong Kong Intl - STL Lambert-St Louis

HKGSTL

Hong Kong Intl

Thu 10-12

00:15-14:26

2 stops52h 11m

Lambert-St Louis

Wed 31-12

00:00-14:00

Nonstop0h 00m

HK$3,826

Hong KongSt. Louis

HKG Hong Kong Intl - STL Lambert-St Louis

HKGSTL

Hong Kong Intl

Fri 11-12

00:15-23:59

2 stops37h 44m

Lambert-St Louis

Wed 31-12

00:00-14:00

Nonstop0h 00m

HK$4,218

Fastest return journey

Hong KongSt. Louis

HKG Hong Kong Intl - STL Lambert-St Louis

HKGSTL

Hong Kong Intl

Mon 14-12

13:45-23:59

2 stops24h 14m

Lambert-St Louis

Wed 31-12

00:00-14:00

Nonstop0h 00m

HK$4,484

Hong KongSt. Louis

HKG Hong Kong Intl - STL Lambert-St Louis

HKGSTL

Hong Kong Intl

Tue 29-9

10:10-14:21

2 stops41h 11m

Lambert-St Louis

Wed 31-12

00:00-14:00

Nonstop0h 00m

HK$4,782

Hong KongSt. Louis

HKG Hong Kong Intl - STL Lambert-St Louis

HKGSTL

Hong Kong Intl

Wed 3-2

14:05-16:20

2 stops40h 15m

Lambert-St Louis

Wed 31-12

00:00-14:00

Nonstop0h 00m

HK$4,963

Hong KongSt. Louis

HKG Hong Kong Intl - STL Lambert-St Louis

HKGSTL

Hong Kong Intl

Tue 29-9

21:05-18:43

3 stops34h 38m

Lambert-St Louis

Wed 31-12

00:00-14:00

Nonstop0h 00m

HK$6,045

Hong KongSt. Louis

HKG Hong Kong Intl - STL Lambert-St Louis

HKGSTL

Hong Kong Intl

Sun 18-10

13:25-21:59

2 stops21h 34m

Lambert-St Louis

Sun 25-10

06:04-19:10

1 stop24h 06m

HK$10,200

Hong KongSt. Louis

HKG Hong Kong Intl - STL Lambert-St Louis

HKGSTL

Hong Kong Intl

Thu 4-2

12:15-17:07

1 stop18h 52m

Lambert-St Louis

Thu 4-2

20:15-20:05

1 stop33h 50m

HK$12,270

Hong KongSt. Louis

HKG Hong Kong Intl - STL Lambert-St Louis

HKGSTL

Hong Kong Intl

Wed 3-2

12:15-17:07

1 stop18h 52m

Lambert-St Louis

Wed 3-2

20:15-20:05

1 stop33h 50m

HK$12,615

Hong KongSt. Louis

HKG Hong Kong Intl - STL Lambert-St Louis

HKGSTL

Hong Kong Intl

Tue 2-2

00:05-14:05

2 stops28h 00m

Lambert-St Louis

Wed 3-2

17:55-19:15

2 stops35h 20m

HK$13,697

Flights are sorted by cheapest return flights first.

Deals found on 4-9

Showing 1-10 of 11 resultsSorted by cheapest first

Best time to book a flight from Hong Kong to St. Louis

Have a flexible travel schedule? Discover the best time to fly to St. Louis from Hong Kong with our price prediction graph.

HKG-STL

Estimated return price

Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Related info for your journey

How long is the flight from Hong Kong to St. Louis?
For as low as HK$10,200, American Airlines can have you in St. Louis from Hong Kong in 21h 34m. The distance from Hong Kong to St. Louis is about 12760 km. This flight may include one or multiple stops.
Can I find deals for flights from Hong Kong to St. Louis that include hotel bookings?
Yes. In addition to deals on Hong Kong to St. Louis flights, Cheapflights offers holiday packages that include both flights and hotel.
How can I find direct flights from Hong Kong to St. Louis?
After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Hong Kong to St. Louis.
Can I find deals for business class flights from Hong Kong to St. Louis?
Yes. Cheapflights offers flight deals from Hong Kong to St. Louis by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

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Cheapflights makes it easy to find Hong Kong to St. Louis flights by helping our users search from 900+ travel sites for deals. We also provide you with filters for cabin, price, airline, airports, number of stops, and many more to narrow down that perfect flight.

Why should you use Cheapflights to find cheap flight tickets from Hong Kong to St. Louis?

By finding flights from multiple airlines and providers at completely no cost, Cheapflights helps millions of users like you annually find the best flights to St. Louis from Hong Kong.

Can Cheapflights find flights from Hong Kong to St. Louis with no change fees?

Users can book flights with no change fees policies with our dedicated filters. Book flights from Hong Kong to St. Louis flexibly with Cheapflights today.

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Cheap flights from Hong Kong to St. Louis from HK$3,826

This is the cheapest retur flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 10-12. Fares are subject to change and may not be available on all flights or dates of travel.

Cheap flight deals from Hong Kong to St. Louis

Cheapest flights from Hong Kong to St. LouisExplore the most affordable flight options available from Hong Kong to St. Louis. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 6 September 2026.

Explore the most affordable flight options available from Hong Kong to St. Louis. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 6 September 2026.

Best flights from Hong Kong to St. LouisDiscover carefully curated flight deals from Hong Kong to St. Louis that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 6 September 2026.

Discover carefully curated flight deals from Hong Kong to St. Louis that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 6 September 2026.

Last-minute flights from Hong Kong to St. LouisDiscover last-minute flight deals from Hong Kong to St. Louis. Data last updated 6 September 2026 and is based on user searches.

Discover last-minute flight deals from Hong Kong to St. Louis. Data last updated 6 September 2026 and is based on user searches.

One-way flights from Hong Kong to St. LouisSearch for one-way flight options from Hong Kong to St. Louis. Find affordable one-way fares based on user searches. Data last updated 6 September 2026.

Search for one-way flight options from Hong Kong to St. Louis. Find affordable one-way fares based on user searches. Data last updated 6 September 2026.

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Best time to book a flight from Hong Kong to St. Louis

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Related info for your journey

How long is the flight from Hong Kong to St. Louis?

Can I find deals for flights from Hong Kong to St. Louis that include hotel bookings?

How can I find direct flights from Hong Kong to St. Louis?

Can I find deals for business class flights from Hong Kong to St. Louis?

Browse thousands of different options on Cheapflights for your next trip

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Alternative routes for Hong Kong to St. Louis

See prices for flight routes from nearby airports that may be better suited for you.

Complete your trip

Complete your trip to St. Louis by adding a car hire and/or hotel booking to your travel itinerary.

Direct flights to United States

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Search flights from Hong Kong to St. Louis by cabin class

Find flights from Hong Kong to St. Louis, based on your preferred cabin class, be it economy, premium economy, business, or first class.

Hong Kong and St. Louis flights

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How does Cheapflights help users find flights from Hong Kong to St. Louis?

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Cheapest flights from Hong Kong to St. Louis
Explore the most affordable flight options available from Hong Kong to St. Louis. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 6 September 2026.

Best flights from Hong Kong to St. Louis
Discover carefully curated flight deals from Hong Kong to St. Louis that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 6 September 2026.

Last-minute flights from Hong Kong to St. Louis
Discover last-minute flight deals from Hong Kong to St. Louis. Data last updated 6 September 2026 and is based on user searches.

One-way flights from Hong Kong to St. Louis
Search for one-way flight options from Hong Kong to St. Louis. Find affordable one-way fares based on user searches. Data last updated 6 September 2026.